sjs/media
1
0
Fork 0
mirror of https://github.com/samsonjs/media.git synced 2026-04-24 14:37:45 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Remove SubtitlePainter from null-checking blacklist

Browse source 
PiperOrigin-RevId: 279107241
This commit is contained in:
ibaker 2019-11-07 17:50:18 +00:00 committed by Oliver Woodman
parent 53283ecb52
commit 6286491621
1 changed files with 21 additions and 9 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
library/ui/src/main/java/com/google/android/exoplayer2/ui/SubtitlePainter.java
View file

@ -35,10 +35,14 @@ import android.text.style.AbsoluteSizeSpan;
import android.text.style.BackgroundColorSpan;
import android.text.style.RelativeSizeSpan;
import android.util.DisplayMetrics;
import androidx.annotation.Nullable;
import com.google.android.exoplayer2.text.CaptionStyleCompat;
import com.google.android.exoplayer2.text.Cue;
import com.google.android.exoplayer2.util.Assertions;
import com.google.android.exoplayer2.util.Log;
import com.google.android.exoplayer2.util.Util;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
import org.checkerframework.checker.nullness.qual.RequiresNonNull;
/**
* Paints subtitle {@link Cue}s.
@ -63,9 +67,9 @@ import com.google.android.exoplayer2.util.Util;
private final Paint paint;
// Previous input variables.
private CharSequence cueText;
private Alignment cueTextAlignment;
private Bitmap cueBitmap;
@Nullable private CharSequence cueText;
@Nullable private Alignment cueTextAlignment;
@Nullable private Bitmap cueBitmap;
private float cueLine;
@Cue.LineType
private int cueLineType;
@ -93,11 +97,11 @@ import com.google.android.exoplayer2.util.Util;
private int parentBottom;
// Derived drawing variables.
private StaticLayout textLayout;
private @MonotonicNonNull StaticLayout textLayout;
private int textLeft;
private int textTop;
private int textPaddingX;
private Rect bitmapRect;
private @MonotonicNonNull Rect bitmapRect;
@SuppressWarnings("ResourceType")
public SubtitlePainter(Context context) {
@ -225,14 +229,18 @@ import com.google.android.exoplayer2.util.Util;
this.parentBottom = cueBoxBottom;
if (isTextCue) {
Assertions.checkNotNull(cueText);
setupTextLayout();
} else {
Assertions.checkNotNull(cueBitmap);
setupBitmapLayout();
}
drawLayout(canvas, isTextCue);
}
@RequiresNonNull("cueText")
private void setupTextLayout() {
CharSequence cueText = this.cueText;
int parentWidth = parentRight - parentLeft;
int parentHeight = parentBottom - parentTop;
@ -248,7 +256,6 @@ import com.google.android.exoplayer2.util.Util;
return;
}
CharSequence cueText = this.cueText;
// Remove embedded styling or font size if requested.
if (!applyEmbeddedStyles) {
cueText = cueText.toString(); // Equivalent to erasing all spans.
@ -364,7 +371,9 @@ import com.google.android.exoplayer2.util.Util;
this.textPaddingX = textPaddingX;
}
@RequiresNonNull("cueBitmap")
private void setupBitmapLayout() {
Bitmap cueBitmap = this.cueBitmap;
int parentWidth = parentRight - parentLeft;
int parentHeight = parentBottom - parentTop;
float anchorX = parentLeft + (parentWidth * cuePosition);
@ -389,6 +398,8 @@ import com.google.android.exoplayer2.util.Util;
if (isTextCue) {
drawTextLayout(canvas);
} else {
Assertions.checkNotNull(bitmapRect);
Assertions.checkNotNull(cueBitmap);
drawBitmapLayout(canvas);
}
}
@ -438,8 +449,9 @@ import com.google.android.exoplayer2.util.Util;
canvas.restoreToCount(saveCount);
}
@RequiresNonNull({"cueBitmap", "bitmapRect"})
private void drawBitmapLayout(Canvas canvas) {
canvas.drawBitmap(cueBitmap, null, bitmapRect, null);
canvas.drawBitmap(cueBitmap, /* src= */ null, bitmapRect, /* paint= */ null);
}
/**
@ -448,10 +460,10 @@ import com.google.android.exoplayer2.util.Util;
* may be embedded within the {@link CharSequence}s.
*/
@SuppressWarnings("UndefinedEquals")
private static boolean areCharSequencesEqual(CharSequence first, CharSequence second) {
private static boolean areCharSequencesEqual(
@Nullable CharSequence first, @Nullable CharSequence second) {
// Some CharSequence implementations don't perform a cheap referential equality check in their
// equals methods, so we perform one explicitly here.
return first == second || (first != null && first.equals(second));
}
}